Available Options Dwyer 3000-80CM 3000 Photohelic Pressure Switch Available Options Dwyer 3000-750PA 3000 Photohelic Pressure Switch Available Options Dwyer 3000-6MM 3000 Photohelic Pressure Switch Available Options Dwyer 3000-5KPA 3000 Photohelic Pressure Switch Available Options Dwyer 3000-50MM 3000 Photohelic Pressure Switch Available Options Dwyer 3000-50CM 3000 Photohelic Pressure Switch Available Options Dwyer 3000-4KPA 3000 Photohelic Pressure Switch Available Options Dwyer 3000-3KPA 3000 Photohelic Pressure Switch Available Options Dwyer 3000-30KPA 3000 Photohelic Pressure Switch Available Options Dwyer 3000-300CM 3000 Photohelic Pressure Switch Available Options Dwyer 3000-2KPA 3000 Photohelic Pressure Switch Available Options Dwyer 3000-25MM 3000 Photohelic Pressure Switch